858 results about "Colourant" patented technology

In a display device having a color filter, a color material dispersed layer having the function of absorbing light of specific wavelengths in the visible light beam region is provided on the optical path so that the light absorption peak of this color material dispersed layer in the visible light beam region is located in the range of ±30 nm from the overlap point in the spectral transmission properties of each color of the color filter. Further, the color material dispersed layer is provided on a filter as a constituent part of the back light of the display. This filter has, as its substrate, a thermoplastic resin having a thickness of 30-350 micrometers and has a transmission in the maximum absorption wavelength in the color material dispersed layer of not more than 75%. The back light has, as its light source, a fluorescent lamp comprising a three band tube, and its emission color is subjected to color correction by an auxiliary filter having an organic color material dispersed layer provided on the illuminating light path.

The invention relates to a flexographic printing water-based ink for food packaging, which comprises an acrylic resin binder, an addition agent, a colorant and deionized water. The flexographic printing water-based ink is good in moving resistance after solidified crosslinking is adopted and is prepared by premixing, sanding and dispersing water-based polyacrylic acid resin having no toxic effect on the human body, food-grade colorants, addition agents and the like according to a fixed proportion. The obtained ink utilizes flexographic printing to form pictures, and after high-temperature drying treatment is performed to a sample, the ink is high in adhesion, resists hot water of 80 DEG C and has a certain acidproof and alkaliproof performance. The water-based ink can replace traditional solvent ink, is applied to various plastics and paper printing, and is particularly used for the printing surface (such as the surface of a paper plate) directly contacted with food or the printing surface of a toy possibly closely contacted with sense organs of infants, thereby greatly improving safety performance.

The invention discloses a colorful transparent polished-glazed brick and a production method thereof. The production method for the colorful transparent polished-glazed brick comprises the following steps: enameling a dried ceramic blank, spreading one or more glazes in different colors and with different burning temperature and different refractive indexes on the brick blank, and performing calcining and profiling soft polishing treatment to obtain the brick. According to the colorful transparent polished-glazed brick and the production method thereof, the layering effects and transition of the surface of the colorful transparent polished-glazed brick are closer to those of a natural stone, and the grade of the product is improved to a certain extent; original color effects can be achieved without adding a coloring material, so that process complexity is reduced, the labor intensity of a worker is reduced, and the production efficiency is favorably improved, and the colorful transparent polished-glazed brick and the production method thereof are suitable for popularization and application.

The present invention is a method of pre-treating keratinous fibres prior to the application of a hair colourant or bleaching composition comprising the steps of applying a pre-treatment composition to the keratinous fibres said composition comprising at least one conditioning agent, said composition having a viscosity of from 100 Pa cps to 300 Pa, wherein said pre-treatment composition is not rinsed off from the hair prior to the application of said hair colouring or bleaching composition.

The invention relates to an environment-friendly waterborne hot-seal adhesive for drug bubble cap packages and application thereof. The water-borne heat-seal adhesive is produced with the following substances in the following content proportions (weight portions): waterborne resin: 10-60; assistant: 0-10; auxiliary solvent: 0-30; waterborne pigment: 0-10; deionized water: 30-80; and pH conditioner: 0-5. Compared with the prior art, the invention has the following advantages: the adhesive is environment-friendly and basically free of organic solvents, and the content of volatile organic compounds (VOCs) is extremely low, and the cost advantage is obvious; all indexes including heat-seal strength (can reach as high as 13N / 15mm), after-tack resistance, content of easily oxidized substances and the like comply with drug packing material standards (YBB00132002) of the State Drug Administration, so the waterborne heat-seal adhesive can completely replace the existing solvent-based VC hot-seal adhesives; production of the heat-seal adhesive has simple process and high production efficiency.

The invention discloses glass ink for ink-jet printing and a preparation method of the glass ink. The glass ink is prepared from the following main components: glass glaze, pigment, a solvent, a dispersing agent, a wetting agent and a stabilizing agent. The preparation method comprises the following steps: preparing the above raw materials, preparing the solvent, mixing the glaze and the pigment, grinding mechanically, thereby obtaining a finished product. The glass glaze and the pigment are crushed to be required particle sizes by using a step-by-step crushing method, and are further combined with additives to prepare the glass ink for ink-jet printing. The glass ink disclosed by the invention is stable in color, not easy to precipitate, good in stability, simple in process, low in requirement for equipment and applicable to industrialization production.

Disclosed are ink jet ink compositions suitable for use in thermal ink jet printers. The ink jet ink compositions contain one or more volatile organic solvents, one or more humectants, one or more binder resins, and one or more colorants. The ink jet ink compositions may also contain additives such as a plasticizer and / or a surfactant. Embodiments of the ink jet ink compositions have short dry times, good adhesion to a variety of substrates, and / or long decap times.

This invention discloses a kind of aqueous dispersion of the nano pigment and its preparation method. The said method is fixing the hydrophobic colorant fully dissolved in polymer monomers into the nano microballoons of the cross linking polymers at the molecule-separate and colorant-aggregative-phase state by using the modified polyreaction in fine latex to obtain the seeds of prepolymerization, then constructing a modified and protective cross linking encloser of the polymer by the enveloping polyreaction, and finally making the nano pigment grains stably disperse in the water medium dissolved with the surface activating agent at a low concentration. The invented aqueous dispersion of the nano pigment is suitable for aqueous ink-jet color marking ink in high performance and color-screened distemper pieces used for making liquid crystal display devices. It can also be applied in pigmentation of the coatings, pigment materials of the high-end cosmetics and so on.

The invention discloses a low heat absorption PVC product and a method of preparing adhesive tapes and the rubber sheets from it. The low heat absorption PVC product involved in the invention comprises: 100PHR of PVC powder, 20-120PHR of a plasticizer, 1-10PHR of a stabilizer, 0-10PHR of a modifier, 0-50PHR of a filling agent, 0-20PHR of a foaming agent, and 1-30PHR of an infrared pigment. The prepared products fall into ordinary products and foamed products. The foaming agent is not needed in the ordinary products, and the foaming agent needs to be added in the foamed products. For the PVC product disclosed in the invention, the infrared pigment is added into the PVC powder, so that the PVC product has the advantage that it can reflect infrared rays irradiated from the sunlight so as to lower the temperature of an object.

The invention relates to a method for firing art ceramic products, which comprises the process steps of (1) raw material dosing, (2) forming, (3) bonding and trimming, (4) biscuit firing, (5) glazing, (6) glaze firing, and (7) drawing. The method adopts secondary firing process and reducing flame and fully utilizes local row materials and parts of industrial chemical row material ingredients (including ferrum, copper, tin, copper, titanium and the like) to perform firing at reducing atmosphere. The ferrum, the copper and other ingredients are reacted jointly to change product pigment, therebyforming top-grade artistic ceramics which are gorgeous in color, gentle in hue, natural in glaze flow and simple in texture. The method adopts cheap raw materials, low manufacture cost and reasonableprocess, product pass rate can reach more than 90%, and mass production can be achieved.

The production process of color glaze quartz paint includes preparation of color glaze quartzite, preparation of polymer slurry and compounding of color glaze quartz paint. It features that during preparation of color glaze quartzite, using only two kinds of material for producing the inorganic basic pigment material and inorganic basic glaze material capable of produce the color quartzite material through mixing, sieving and middle temperature baking; and that the polymer slurry is compounded with several polymer adhesives and additives. The present invention has the advantages of simple process, easy operation, no toxicity, no environmental pollution and low cost and can produce excellent color glaze quartz paint with different required performance.

The invention discloses a preparation method of a zirconium-silicate-coated cerium sulfide scarlet pigment, which comprises the following steps: introducing a cerium sulfide suspension into a zirconium source-silicon source mixed solution, and reacting the zirconium source and silicon source under hydrothermal conditions, thereby forming a precursor coating zirconium silicate on the surface of the color development body; and carrying out heat treatment on the precoated pigment in an non-oxidizing atmosphere to obtain the compact-coating high-coating-rate zirconium-silicate-coated cerium sulfide scarlet pigment. The method has the advantages of simple technique and low energy consumption; and the prepared pigment product has high stability, is applicable to the field of production of scarlet medium / low-temperature ceramics, and is suitable for industrial production.

The present invention describes a method of preparation of formulations of microcrystalline lutein, particularly in the form of esters, which are resistant to oxidation and are soluble in hydrophilic and / or lipophilic media. For these formulations, the esters of lutein are mixed with antioxidants, vegetable oils and / or organic solvents, and this initial mixture is submitted to various stages depending on the type of final formulation required. These formulations are suitable for direct application as colourants in the pharmaceutical, food and cosmetics fields. They can also be used as diet supplements.

The invention discloses a preparation method of a silica-coated cerium sulphide red pigment. The preparation method comprises the following steps of firstly, preparing pigment suspension liquid and silicon source solution; secondly, adding the silicon source solution into the pigment suspension liquid at the speed of 0.02-0.15ml / min according to the mole ratio of Si4+:Ce2S3=1-3:1-2, stirring to react, and obtaining precursor powder after cleaning and drying a reaction product; thirdly, calcining the precursor powder under the non-oxidizing atmosphere, and obtaining the compact encapsulated silica-coated cerium sulphide red pigment. The invention also discloses a product prepared by the preparation method. The preparation method is high in encapsulating efficiency and complete in encapsulating, the obtained product is thick and compact in the encapsulated layer, the high-temperature oxidation resistance of the cerium sulphide pigment is greatly improved, the cerium sulphide pigment can be in red under the oxidizing atmosphere with the temperature above 450 DEG C, and the application field is greatly expanded; in addition, the preparation process is simple to operate and easy to popularize and use, and the product is wide in application range and beneficial to the development of high-temperature ceramic pigment technology and application.

There is provided an image recording method including modifying a surface to set a wetting tension index of a recording surface to 40 mN / m or more by carrying out a surface modification of the recording surface of an ink low-absorbing or non-absorbing recording medium, adhering a reaction liquid containing a flocculant to the recording surface after the modifying of the surface, and recording an image on the recording surface using an ink composition for ink jet recording containing a color material and water after the adhering of the reaction liquid.

An aqueous ink containing at least a water-dispersible coloring material and a water-soluble crystalline component, characterized in that the water-dispersible coloring material forms an aggregate around a crystal of the crystalline component formed as the content of the aqueous ink decreases, which ink may further contain a water-soluble coloring material.

A water-based ink containing a water-soluble dimer coloring material having a molecular structure having two chromophores and being symmetrical via a decomposable linking group, a water-soluble monomer coloring material having the same structure as the molecular structure obtained by the decomposition of the linking group in the water-soluble dimer coloring material, and a first water-soluble organic solvent which is a triol compound being liquid at normal temperature and having less than 5 carbon atoms, capable of restraining the water-soluble dimer coloring material from being decomposed. The water-soluble monomer coloring material is from 1% or more to 12% or less in weight with respect to the weight of the water-soluble dimer coloring material. Also disclosed are an ink tank holding therein this ink, and an ink-jet recording process carried out using this ink.

The invention discloses a phototropic colourant having a near-infrared penetrance property and the preparation technology, using the near-infrared penetrance material of a weight ratio of 1-30 percent, and polymer liquid crystal material of a weight ratio of 70-99 percent, to make it have both phototropic and infrared transmission characteristic. Innovation of false proof of the colourant is characterized in that combining the present liquid crystal optically variable false proof with infrared transmission to make the colourant having both phototropic false proof characteristic and infrared transmission, highly increasing the false proof ability and check efficiency, it satisfies the popular primary line false proof, and the machine readable second line false proof. The colourant can apply in false proof productions in many forms. Especially in the form of ink, it can apply in the fields of currency, certification, documentary security, commodity packaging and so on.

The invention relates to a synthetic fiber production method, in particular to a device and a method for the online polynary addition production of color and functional fibers by directly spinning fused mass, which mainly solves the technical problems existed in the prior art that the flowing pressure and the speed of the fused mass can not be randomly controlled, the efficiency is lower, the production cost is higher, the technological range is narrow, and the like. The device comprises an accretion preparation device, a filtering device, a measuring device, a polynary coupler, a booster pump, a dynamic disperser, a first three-way valve, a second three-way valve, a drain valve and a numerical control device. The method comprises the following steps: respectively adding raw material of pigment and additive to the accretion preparation device and adjusting the addition by the numerical control device; enabling main fused mass to enter the polynary coupler by passing the filtering device, the measuring device and the polynary coupler to be coupled with the pigment and the additive; and enabling the coupled polynary fused mass to enter the dynamic disperser to be dispersed and finally spun.

The present invention relates to an organic colorant corresponding to one of the following structures (I) or (II):eD-pi-conjugated chromophore-L-A  (I)A-L-pi-conjugated chromophore-eD  (II)in which eD represents an electron donor segment; L represents a covalent bond or a spacer segment; A represents an electron attractor segment able to form a covalent bond with a semi-conductor; the pi-conjugated chromophore comprising at least two aromatic rings, at least one of which is a thiophene, selenophene or furan type ring. The present invention relates to the use thereof as photosensitizer in a photovoltaic device and said photovoltaic device.

The invention discloses a method for treating an animal substrate comprising: agitating the moistened animal substrate with an aqueous treatment formulation and a solid particulate material in a sealed apparatus, wherein the aqueous treatment formulation comprises at least one colourant. There is also disclosed an animal substrate obtained by the method and finished leather goods obtained by the method.

The invention discloses a novel UV (ultraviolet)-curable decoration adhesive. The formula of the decoration adhesive comprises the following components in percentage by mass: 35-60% of UV oligomer, 30-55% of UV monomer, 4-10% of photo initiator, 1-5% of rheology control additive, 0.1-0.5% of defoaming agent, 0.1-0.5% of substrate wetting agent and 0-5% of pigment. The UV-curable decoration adhesive can be coated on a substrate by an extrusion dispenser to form three-dimensional patterns and words with different heights and rich colors or profiles of patterns and words; and different pigments or spray-printing UV ink can be added, so that the patterns have various colors and special effects, such as metal texture, pearl light, fluorescence, color change and the like, thus signboards or decorative articles are move beautiful.

A color glass powder printing ink / lacquer / paint comprises staining compound, thinner, forming agent, polymerization inhibitor and addition agent. The staining compound adopts color glass powder or screen printing glaze powder.

The present invention provides a paper-like medium for inkjet recording in which a colorant-receiving layer is strong without cracks, has excellent print density and glossiness of an image, and has no image bleeding over time. It is an inkjet recording paper having a colorant-receiving layer on the surface of a support, wherein the colorant-receiving layer is a coating formed by coating a coating liquid containing inorganic fine particles, a water-soluble resin, and a boron compound. The layer obtained by cross-linking and curing of the cloth layer. The above-mentioned cross-linking and curing is carried out by applying a solution containing a metal compound with a pH of 8 or higher to the above-mentioned coating layer or coating film at any of the following times: (1) coating the above-mentioned coating While distributing the liquid, (2) during the drying process of the coating layer formed by applying the above coating liquid, and before the coating layer shows decelerated drying, or (3) drying the coating layer formed by applying the above coating liquid After the coating layer dries and forms a coating film.

The invention relates to a latex paint with no volatile organic compound and the method for preparation, which is built-up with the following component by weigh share, 10-40 shares of water, 0.2-1.0 shares of disperser, 0.2-1.0 shares of thickener, 0.2-1.0 shares of defoamer, 5-30 shares of colourant, 10-50 shares of packing, 15-30 shares of film forming material, 0.2-0.8 shares of other adjuvant. Mixing adequately said component and then filtering, it can be prepared. No need of adding film forming adjuvant, antifreeze compound and solvent, the prepared latex paint solves the problem of film forming in a low temperature and cold stability of paint, and it contains no VOC, environmental protection property good, durable against pollutions, scouring resistance strong, water-proof, dust-proof and fungus-proof property nice, and air permeability good. The preparation technology in the invention is simple and cost low, and it is easy to carry out and spread.

The invention provides a photochromic nail polish which comprises the following components in parts by weight: 5-10 parts of ethyl acetate, 15-20 parts of butyl acetate, 10-15 parts of nitrocellulose, 3-5 parts of resins, 0-5 parts of pigment, 0.1-1.5 parts of essence, 3-5.5 parts of anti-settling agent, and 0.5-10 parts of microencapsulated photochromic powder. The photochromic nail polish provided by the invention has the advantages and beneficial effects that because a photochromic compound is added, the photochromic nail polish can be changed into different colors in the sun so as to generate a novel and peculiar effect; and a photochromic material is processed by using a microencapsulated processing method, so that the photochromic nail polish is better in dispersity, the obtained color is more uniform, and the photochromic nail polish is firmer after being coated on nails; and the essence in the photochromic nail polish provided by the invention is selected from plant essence, and the other materials are all benzene-free, methanol-free and formaldehyde-free materials, therefore, the photochromic nail polish is non-toxic, environment-friendly and healthful.